The iPhone is a fantastic media player, but its storage space is obviously limited — enter Simplify Media. Simplify Media is an application that lets you listen to your music collection anywhere you want. In addition to being able to listen to your own music, you can also invite up to 30 friends to be on your "buddy list" and stream their music as well.
Midomi is a popular service that, like its competitor Shazam, is used to identify a song via your iPhone microphone.What sets this app apart is its ability to not only tell you what song is playing, but also the song you sing or hum into it..
TyroTuner is another guitar tuning application brought to you by Mauvila Software that displays the head of a guitar and a graphical tuning display. By tapping on the tuning bolts, that specific note's tuner comes up, and users align the tuning rod on the bar.
Magellan Press, Inc., released a flurry of interesting and versatile applications for the iPhone, two of which are actually used to turn your iPhone into a tuning device for guitar.
Ever heard a song on the radio and just wished you knew the name of it? Shazam is the answer, allowing you to tag just about any recorded song in a matter of seconds.
Pandora, Inc., has been a driving force in the internet radio movement, moving it from today’s commercial ridden MTV into a radio that will play you music that fits to your tastes, but leaving out horrendous advertisements.